SITRA CHEMICAL INDUSTRIES LIMITED SCIL, a public limited company incorporated in 1981. SITARA Chemical Industry Co., Ltd. - the market leader in industrial chemicals, has installed the latest technology to produce high quality products. In order to run and manage these complex plants, they employ a large number of professionals in various fields, namely engineering, marketing, finance / accounting, integrated management and the competent authorities. All of these professionals and recruiting a large
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University of Phoenix Material Week 4 Exercises Prepare written answers to the following exercises: 1. Imagine that you are an environmental scientist. Working in collaboration with a university chemist, you were able to determine from mass spectrometry that four elements exist in your soil samples. They are Se, Sn, Pb, and Cd. You need to determine which elements will most likely combine with oxygen to produce oxides that are present in your sample. To do so, refer to the periodic
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reaction is the speed at which a chemical reaction takes place. Some reaction can take less than a second and other can take over millions of years. During a reaction, we can measure the rate of reaction. The rate of reactions depends on the types of molecules that are combining. There is another thing in rates of reaction called the collision theory. Substances in the liquid, aqueous and gaseous phase consist of particles in rapid and constant motion. The rate of a chemical reaction depends on three
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Title: Enzyme Introduction The main reason for conducting this experiment is to establish the various factors that affect enzymes and reaction rates. Various experiments have been conducted to help gain a wide range of the factors that affect enzyme controlled reactions. Enzymes are affected by very many factors. It was the main aim of this experiment to establish these factors and the manner in which they affect them. This experiment also seeks to establish the manner in which some enzymes
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Title of the article: Intractable hyperkalemia due to Nicorandil induced potassium channel syndrome Abstract: Nicorandil is a commonly used antianginal agent which has both nitrate-like and ATP-sensitive potassium channel activator properties. Activation of potassium channels by nicorandil causes expulsion of potassium ions into the extracellular space leading to membrane hyperpolarisation, closure of voltage-gated calcium channels and finally vasodilatation. However, on the other hand, being
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Purpose The purpose of this lab was to practice using Distillation as a method to purify the isobutyl isobutyrate product from the starting material, isobutyl alcohol, and other reagents used in the synthesis and work-up of isobutyl isobutyrate. The synthesis reaction of isobutyl isobutyrate was monitored by Mini – Gas Chromatography in order to monitor the progression of reactant to product. Mini-GC is a very valuable way to evaluate the progress of a reaction for which Thin Layer Chromatography
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Enzymes are natural catalysts - substances that speed up a rate of reaction without being used up. They are also proteins that are molded into various shapes that allow substrate molecules to fit inside them. The region where the substrate molecules insert themselves is called the active site. Without enzymes, biological reactions would take excessive time to take place to keep you alive. They are also significant as they aid cells to connect with one another allowing cells to maintain growth, life
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2.1.3 Application of biosurfactants Biosurfactants are important in petroleum, environmental, food, agricultural, bioprocessing, cosmetics and biological industries (Fakruddin, 2012; Nitschke & Costa, 2007; A. Singh et al., 2007). Table 2.2 shows the role of biosurfactants in different industries (A. Singh et al., 2007). Table 2.2 : The role of biosurfactants in various industries 2.2 Actinomycetes 2.2.1 Properties of actinomycetes Actinomycetes are the intermediate group between bacteria and fungi
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15. Four suppliers have submitted substantially different bids for this contract which begins in August 1. Loren Inc. is the Canadian subsidiary of a larger chemical company, and have an excellent reputation for quality products and had substantial in total sale. Brent has been appointed raw material buyer, reporting to the manager of chemicals buying group, and the hexonic acid contract will need to be approved by his immediate supervisor and the director of department. Brent know that some of the
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Chapter 23 Haz Mat Study Guide Hazard Types TRACEM: Thermal, Radiological, Asphyxiation, Chemical, Etiological/Biological, Mechanical. Thermal Hazards Elevated Temperature Materials: In a liquid phase at or above 212'F, Intentionally heated heated at or above its liquid phase flash point of 100'F, In a solid phase at or above 464'F. Low Temperatures: Liquefied gases and cryogenic liquids (convert to liquids at or below -130'F) can freeze materials on contact. Radiological Hazards
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